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It's Time To Reassess The Value, Safety Of Multivitamin Use, Says Harvard Men's Health Watch
Although
physician-scientists and supplement manufacturers are often at odds, they
don't spend much time sparring over multivitamins. In fact, half the
physicians on the Harvard Men's Health Watch advisory board report taking a
multivitamin themselves. In recent years, Harvard Men's Health Watch has
also endorsed these popular supplements, reasoning that even if they don't
help, they won't hurt. However, the March 2008 issue of the newsletter
states that a reappraisal of that advice is in order.
Harvard Men's Health Watch notes that some recent studies have linked
multivitamin use to prostate cancer. More convincingly, studies have linked
high intakes of folic acid to colon polyps, the precursors of colorectal
cancer. Researchers speculate that high intakes of folic acid, which was
first added to grain products in the 1990s, may have contributed to an
increase in colorectal cancers in the mid-1990s.
What does all of this have to do with multivitamins? Now that folic
acid is added to so many grain products, it's easy to see how a healthy
diet, combined with a multivitamin, could boost a person's daily intake to
1,000 mcg or more, potentially increasing the risk of colorectal and
possibly prostate and breast cancers.
In light of this research, Harvard Men's Health Watch suggests that the
average man give up the multivitamin, at least until scientists solve the
puzzle of folic acid and cancer. However, if you stop taking a
multivitamin, consider taking a vitamin D supplement, the newsletter says.
The typical diet for most men and women doesn't supply enough of this
crucial vitamin, and while sun exposure boosts vitamin D production, it has
health risks of its own.
Harvard Men's Health Watch
http://www.health.harvard.edu
E timpul sã reevalueze valoarea, siguranþa de utilizare multivitamine, afirmã Harvard pentru barbati ceas de sãnãtate - It's Time To Reassess The Value, Safety Of Multivitamin Use, Says Harvard Men's Health Watch - articole medicale engleza - startsanatate